[PATCH 4.14 09/67] ALSA: pcm: potential uninitialized return values

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit 5607dddbfca774fb38bffadcb077fe03aa4ac5c6 upstream. Smatch complains that "tmp" can be uninitialized if we do a zero size write. Fixes:

[PATCH 4.14 09/67] ALSA: pcm: potential uninitialized return values

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit 5607dddbfca774fb38bffadcb077fe03aa4ac5c6 upstream. Smatch complains that "tmp" can be uninitialized if we do a zero size write. Fixes: 02a5d6925cd3 ("ALSA: pcm: Avoid